CN108646494A - A kind of electrochromic device and preparation method thereof and electronic product - Google Patents
A kind of electrochromic device and preparation method thereof and electronic product Download PDFInfo
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- CN108646494A CN108646494A CN201810619871.XA CN201810619871A CN108646494A CN 108646494 A CN108646494 A CN 108646494A CN 201810619871 A CN201810619871 A CN 201810619871A CN 108646494 A CN108646494 A CN 108646494A
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect
- G02F1/1514—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect characterised by the electrochromic material, e.g. by the electrodeposited material
- G02F1/1523—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect characterised by the electrochromic material, e.g. by the electrodeposited material comprising inorganic material
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect
- G02F1/153—Constructional details
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect
- G02F1/153—Constructional details
- G02F1/155—Electrodes
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect
- G02F1/163—Operation of electrochromic cells, e.g. electrodeposition cells; Circuit arrangements therefor
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect
- G02F1/1514—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect characterised by the electrochromic material, e.g. by the electrodeposited material
- G02F1/1516—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect characterised by the electrochromic material, e.g. by the electrodeposited material comprising organic material
- G02F2001/1517—Cyano complex compounds, e.g. Prussian blue
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- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
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- Inorganic Chemistry (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
Abstract
A kind of electrochromic device of present invention offer and preparation method thereof and electronic product, including transparent base one, transparency conducting layer one, electrochromism system, transparency conducting layer two and the transparent base two being cascading, electrochromism system includes electrochromic material and electrolyte.Electrochromic device provided by the present invention, when applying different voltages, can be realized the change of color effects, and without carrying out continued power after discoloration, with memory effect, thus had the advantages that energy saving, beautiful using specific composite structure.
Description
Technical field
The present invention relates to electrochromism field, more particularly to a kind of electrochromic device and preparation method thereof and electronics produce
Product.
Background technology
Electrochromism refers to that under the action of the DC voltage, materials from oxidizing or reduction causes it in visible wavelength model
A series of reversible change occurs for the optical property in enclosing.It is exactly the reversible change of color and transparency from the point of view of from the appearance.
1961, Deb had found that WO 3 film can be converted colourless between blue under electric field action for the first time.Based on this hair
Existing, scientists propose a kind of novel intelligent electrochromic concept.From this, the preparation of electrochromic material and its device
The sight of numerous researchers is attracted.In general, the material with electrochromic property is called electrochromic material by we, and handle
The device made from electrochromic material is known as electrochromic device.When electrochromic device works, apply one at its both ends
Redox reaction occurs for fixed voltage, photochromic layer, and color changes.
Outside window except intelligent color-changing mentioned above, electrochromic device can also be used to light-sensitive sunglasses, Electronic Paper, electronics production
The fields such as product cover board, intelligence warning, have boundless application space.But at present, most of electrochromic device
It is still in the primary stage of research and development, how its structure is optimized to obtain better color changeable effect to be a worth research
Project.
Invention content
The object of the present invention is to provide a kind of electrochromic device of optimization structure and preparation method thereof and electronic products.
To achieve the above object, the technical solution adopted by the present invention is：
A kind of electrochromic device, including the transparent base one, transparency conducting layer one, the electrochromism body that are cascading
System, transparency conducting layer two and transparent base two, electrochromism system include electrochromic material and electrolyte.
Preferably, electrochromism system includes the electrochromism being mainly made of electrochromic material being cascading
Layer, the electrolyte layer being mainly made of electrolyte and ion storage.
When using three-decker, electrochromic material is selected from transition metal oxide, purple sieve essence, phthalocyanine compound, connection
Benester compound, polypyrrole, thiophenes, polyaniline, acetyl benzene-like compounds.The material of ion storage is selected from
NiO、CeO2、V2O5, at least one of Prussian blue and its derivative.The material of electrolyte layer is selected from lithium electrolyte, halogenated
Close at least one of object, ferrocene.
Wherein, the material that transition metal oxide is plus negative voltage changes colour, includes but are not limited to WO3、TiO2、MoO3；Phthalein
Cyanine compound includes phthalocyanine and metal phthalocyanine；Biphenyl ester type compound includes but are not limited to biphenyl diethyl ester type compound；
Acetyl benzene-like compounds include but are not limited to acetophenone, have halogen atom, nitro, amino, hydroxyl, substituted or unsubstituted
The acetyl benzene-like compounds that alkyl, substituted or unsubstituted aryl replace.Lithium electrolyte includes liquid lithium ion electrolyte, polymerization
Object gel lithium-ion electrolyte, high polymer solid lithium ion electrolyte, can also be lithium metal, LiNbO3, LiTaO3, LiPON
Equal film lithium ions electrolyte.Lithium electrolyte is preferably high polymer solid lithium ion electrolyte.In electrolyte layer outside lithium electrolyte,
It can also be including the solvent including such as PVB, propene carbonate etc..
It is further preferred that the material of transparency conducting layer one and transparency conducting layer two be respectively and independently selected from ITO, AZO, FTO,
Nano metal material, PEDOT, PEDOT:At least one of PSS.
It is further preferred that the material of transparent base one and transparent base two be respectively and independently selected from glass, PMMA, PU,
At least one of PET, PVA, PVB, PVC, PC.
Preferably, electrochromism system is mainly mixed to form by electrochromic material, electrolyte and solvent.
It is further preferred that electrochromic material be selected from PEDOT, transition metal oxide, Prussian blue and its derivative,
At least one of polyaniline, biphenyl ester type compound, thiophenes, acetyl benzene-like compounds.
Wherein, the material that transition metal oxide can both select plus negative voltage changes colour, such as WO3、TiO2、MoO3, can also
Selection applies the material of positive voltage discoloration, such as NiO, CeO2、V2O5；Biphenyl ester type compound includes but are not limited to biphenyl diethyl
Base ester type compound；Acetyl benzene-like compounds include but are not limited to acetophenone, have halogen atom, nitro, amino, hydroxyl,
The acetyl benzene-like compounds that cyano, substituted or unsubstituted alkyl, substituted or unsubstituted aryl replace.
It is further preferred that the electrolyte is selected from least one of ferrocene, halide anion compound.
It is further preferred that the solvent is selected from least one of dimethyl sulfoxide (DMSO), alcohols, amides.
Still further preferably, electrochromism system further includes high polymer material.After high polymer material, solution mixes
It closes objects system and is easy to gel solidification, it is dangerous caused by reduce liquid-phase system due to easy to leak, so that product can be more
Add safety.
Still more preferably, high polymer material in PVA, PVB, PVC, PMMA, PU, PC, PAM, PET at least one
Kind.
It is further preferred that electrochromic material is acetyl benzene-like compounds.
Preferably, the material of transparency conducting layer one and transparency conducting layer two is respectively and independently selected from ITO, AZO, FTO, nanogold
Belong at least one of material.
Preferably, the material of transparent base one and transparent base two be respectively and independently selected from glass, PMMA, PU, PET, PVA,
At least one of PVB, PVC, PC.
Preferably, further include driving circuit for making electrochromic device change colour, transparency conducting layer one and electrically conducting transparent
Layer two is electrically connected with driving circuit respectively.
It is further preferred that further include wireless transport module, wireless transport module is selected from wifi module, bluetooth module, red
At least one of outer sensor module, the wireless transmissions module control driving circuit change colour.
The electrochromic device can also be changed colour by preinstalled circuit or mobile phone A pp by wireless transport module.
The electrochromic device base material cover sheet thickness is adjustable, and integral device thickness is minimum to be smaller than 0.5mm.
The electrochromic device could be provided as the cover sheet of electronic product.The cover board can by electrochromic device with
The module that driving circuit is constituted is encapsulated with Optical transparent adhesive.
The preparation method of electrochromic device is as follows when electrochromism system is three-decker：It is led transparent
The material of electric layer one and transparency conducting layer two is overlying on transparent base one and transparent base two respectively, forms one He of transparency conducting layer
Transparency conducting layer two；Electrochromic layer is prepared on transparency conducting layer one；Ion storage is prepared on transparency conducting layer two；
Electrolyte layer is prepared between electrochromic layer and ion storage.
The electrochromic layer, ion storage, transparency conducting layer one and two can pass through coating, plated film, chemical gaseous phase
Prepared by the methods of deposition, wherein coating method can select the modes such as blade coating, spraying, spin coating.
The electrolyte layer can be prepared by the methods of filling, coating solidification, roller bearing coating.
Preferably, the specific preparation method of electrolyte layer is as follows：It, will after being coated with electrolyte precursor on electrochromic layer
Ion storage is overlying on electrolyte precursor, solidification.
The step of preparation method of electrochromic device, is specific as follows when electrochromism system is mixing material：Take solvent,
Electrochromic material, electrolyte hybrid package form electrochromism system, the electrically conducting transparent being connected with transparent base one
Layer one and the transparency conducting layer two being connected with transparent base two are set to the both sides of electrochromism system.
Wherein, the method for encapsulation can be in solvent, electrochromic material, electrolyte (and polymer material) group
At mixture in add curable glue and make mixture as glue curing, can also be solid using dispensing over the transparent substrate
Change after preparing sealed opening box, cures after pouring into mixture.
A kind of electronic product, including electrochromic device made from above-mentioned electrochromic device or the above method.
The beneficial effects of the invention are as follows：
Electrochromic device provided by the present invention, can when applying different voltages using specific composite structure
The change of color effects is realized, and without carrying out continued power after discoloration, with memory effect, thus with energy saving, beautiful
The advantages of sight.
Specific implementation mode
The technique effect of design and the generation of the present invention is clearly and completely described below with reference to embodiment, with
It is completely understood by the purpose of the present invention, feature and effect.
Embodiment 1：
A kind of electrochromic device, including be cascading 0.15mm thickness high transparent glass, 200nm thickness ITO conductive layer,
150 μ m-thick polyaniline electrochromic layers, 50 μ m-thick PVB/ lithium perchlorates electrolyte layers, the Prussian blue ion storage of 150 μ m-thicks,
200nm thickness ITO conductive layer and 0.15mm thickness high transparent glass.
The specific preparation method of the electrochromic device is as follows：
It is put into magnetron sputtering cavity after the high transparent glass of 0.15mm thickness is cleaned up, equipment is evacuated to 5 × 10-4-5×10-3Pa is subsequently passed argon gas to vacuum degree and reaches 0.5Pa, using intermediate frequency power supply, 350 DEG C of magnetron sputtering 200nm's
ITO conductive films.
By the ITO conductive films sputtered take out it is cooling after, be placed on blade coating equipment, using the scraper of 150 μ m thicks,
Polyaniline film is scratched on ITO conductive films, Prussian blue film is scratched on another ITO conductive film.After the completion of blade coating,
Polyaniline and Prussian blue film are put in vacuum drying oven, remained on surface solvent is evaporated at 110 DEG C, it is made to be solidificated in ITO
On conductive film.
Then, upper PVB/ lithium perchlorates are dripped on polyaniline surface, using 50 μ m thick scrapers, is scratched uniformly, it will be general
Shandong scholar's indigo plant film stick on top is subsequently placed in i.e. solidification completion after the drying of evaporation solvent in 110 DEG C of baking ovens.
Then respectively in polyaniline and Prussian blue surface leads, when applying different voltages to it, may be implemented it is green,
The function of blue, yellow three kinds of color changes.It is light yellow when specially -0.5V；It is light green color when+0.2V；It is deep when+0.5V
Blue.
Embodiment 2：
A kind of electrochromic device, including the 0.10mm thickness PET/ITO conductive films, 100 μ m-thicks that are cascading are purple
Sieve essence electrochromic layer, 50 μ m-thick lithium perchlorates/propene carbonate electrolyte layer, 100 μ m-thick PEDOT：PSS ion storages,
0.10mm thickness PET/ITO conductive films.
The specific preparation method of the electrochromic device is as follows：
The saturating conductive films of the PET/ITO high of 0.1mm thickness are cleaned and are placed on blade coating equipment, adjustment blade coating thickness is 100 μ
M scratches Pedot：PSS slurries.The PEDOT coated will be scraped：PSS conductive films take out drying.It is led thoroughly in another PET/ITO high
Purple sieve essence film is scratched on conductive film.After the completion of blade coating, purple sieve essence film is put in vacuum drying oven, table is evaporated at 110 DEG C
Face residual solvent makes it be solidificated on PET conductive films.
Then, upper lithium perchlorate/propene carbonate/UV glue is dripped on purple sieve essence surface, using 50 μ m thick scrapers, by it
Blade coating is uniform, by PEDOT：PSS film stick on top is subsequently placed in after curing 1 minute under 365nm ultraviolet lamps i.e. solidification and completes.
Then respectively in PEDOT：PSS and purple sieve essence surface leads, when applying different voltages to it, the electrochromism
Device can show the function of green, blue, yellow, purple four kinds of different colours respectively.It is purple when specially -1V；When -0.4V, it is
Blue；When -0.2V, for green；It is yellow when+0.5V.
Embodiment 3：
A kind of electrochromic device, including the 0.15mm that is cascading thick high ITO electro-conductive glass, 4,4- biphenyl two thoroughly
Formic acid diethylester electrochromic layer, electrolyte layer/ion storage of ferrocene/lithium chloride, 0.10mm thickness PET/ITO high are led thoroughly
Conductive film.
The specific preparation method of the electrochromic device is as follows：
Using height thick 0.15mm thoroughly ITO electro-conductive glass and the saturating conductive films of the PET/ITO high of 0.1mm thickness as symmetrically leading
Electric base material, the spin coating 4 on ITO electro-conductive glass face, 4- biphenyl diethyl esters, after 50 DEG C of drying in oven, then in its table
Millet cake glue is solidified into 1000mm × 1000mm sealed opening boxes after being bonded with PET/ITO conductive films, ferrocene is injected in box
With lithium chloride solution as electrolyte, then by the sealed opening box sealing and curing.
Yellow and the function of yellow induced color may be implemented by applying different voltages.As voltage is from -1.5v to -3v,
Color is gradually deepened from light yellow to buff.
Embodiment 4
Based on embodiment 1, on the basis of Prussian blue ion storage, using the electroluminescent change of different conductive layers material preparation
Color device, and its color changeable effect is tested, the results are shown in Table 1.
The electrochromic device color changeable effect of 1. different conductive layers material of table
L, a, b represent the colour gamut coordinate in color difference meter, and L represents shading value, a represents red green, b represents champac color, and Δ E is
Total color difference value relative to white.
It can be seen from the results above that need to make change to the conductive layer on electrochromic device can be with according to different
So that the color changeable effect of electrochromic device generates corresponding changeable variation.
Embodiment 5
A kind of electrochromic device, including be cascading 0.15mm thickness high transparent glass, 200nm thickness nano-silver conductives
Layer, 150 μ m-thick V2O5Electrochromic layer, 50 μ m-thick lithium metal electrolyte layers, 150 μ m-thick NiO ion storages, 200nm thickness AZO
Conductive layer and 0.15mm thickness high transparent glass.
Embodiment 6
A kind of electrochromic device, including be cascading 0.15mm thickness PMMA, 200nm thickness nano-silver conductives layer,
150 μ m-thick phthalocyanine electrochromic layers, 50 μ m-thick lithium metal electrolyte layers, 150 μ m-thick NiO ion storages, 200nm thickness ITO are led
Electric layer and 0.15mm thickness high transparent glass.
Embodiment 7
A kind of protective cover of electronic product plate, the cover sheet is by the electrochromic device and driving circuit structure in embodiment 1
At module encapsulated with Optical transparent adhesive.The cover board can be by circuit control, to realize application different voltages, cover board
It shows the effect of multiple color, and color developing effect has memory effect, is not required to voltage maintenance, has the advantages that energy saving, beautiful.
Embodiment 8
A kind of electrochromic device, including the 0.15mm that is cascading thick high ITO electro-conductive glass, 350 μ m-thick second thoroughly
Acyl benzene/ferrocene/PMMA (electrochromic material/electrolyte/high polymer material) electrochromism mixed layer, 0.10mm are thick
The saturating conductive films of PET/ITO high.
The specific preparation method of the electrochromic device is as follows：
100g acetophenones, 100g ferrocene, 100g PMMA, 20gUV glue is taken to be dissolved in 1L dimethyl sulfoxide (DMSO)s, stirring is equal
It takes appropriate drop on the thick high ITO electro-conductive glass thoroughly of 0.15mm after even, using 350 μ m thick scrapers, is scratched uniformly, it will
The saturating conductive film stick on top of 0.10mm thickness PET/ITO high, is subsequently placed under 365nm ultraviolet lamps and cures 1 minute.
Then respectively in both sides lead, apply voltage from -1.8V~-3V when, Electrochromic device is blue-green.The voltage of application
Higher, color is deeper.
Acetophenone employed in the present embodiment can also be with halogen atom, nitro, amino, hydroxyl, cyano, substitution
Or the acetyl benzene-like compounds with acetyl phenyl group of unsubstituted alkyl, substituted or unsubstituted aryl substitution, for example, can
To be alpha-Chloroacetophenone, 3-nitroacetophenone, aminoacenaphthene, ethyl benzene.
When preparing electrochromic device using electrochromism mixed layer, compared to the structure being individually layered, technique is simpler
Single, the requirement to equipment is lower, meanwhile, color change is faster.
Embodiment 9
A kind of electrochromic device, including the 0.15mm that is cascading thick high ITO electro-conductive glass, 350 μ m-thicks thoroughly
PEDOT/AlCl3/ PVA electrochromism mixed layer, the saturating conductive films of 0.10mm thickness PMMA/AZO high.
Specific preparation method reference implementation example 1-3 and embodiment 8.
Embodiment 10
A kind of electrochromic device, including the 0.15mm thick high ITO electro-conductive glass, 350 μ m-thicks thoroughly that are cascading are general
Shandong scholar indigo plant/ZnCl2/ PU electrochromism mixed layer, the saturating conductive films of 0.10mm thickness PMMA/FTO high.
Specific preparation method reference implementation example 1-3 and embodiment 8.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Belong to those skilled in the art in the technical scope disclosed by the present invention, the change or replacement that can be readily occurred in all are answered
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (9)
1. a kind of electrochromic device, which is characterized in that including be cascading transparent base one, transparency conducting layer one,
Electrochromism system, transparency conducting layer two and transparent base two, the electrochromism system includes electrochromic material and electrolysis
Material.
2. electrochromic device according to claim 1, which is characterized in that the electrochromism system includes stacking gradually
The electrochromic layer being mainly made of the electrochromic material being arranged, the electrolyte being mainly made of the electrolyte
Layer and ion storage.
3. electrochromic device according to claim 1, which is characterized in that the electrochromism system is mainly by the electricity
Off-color material, the electrolyte and solvent is caused to be mixed to form.
4. electrochromic device according to claim 3, which is characterized in that the electrochromic material is selected from PEDOT, mistake
Cross metal oxide, Prussian blue and its derivative, polyaniline, biphenyl ester type compound, thiophenes, acetophenone class
Close at least one of object.
5. electrochromic device according to claim 2 or 4, which is characterized in that the electrochromic material is acetophenone
Class compound.
6. according to claim 1-4 any one of them electrochromic devices, which is characterized in that further include driving circuit, it is described
Transparency conducting layer one and the transparency conducting layer two are electrically connected with the driving circuit respectively.
7. the preparation method of the electrochromic device described in claim 2, which is characterized in that be as follows：It takes equipped with saturating
The transparent base one of bright conductive layer one and transparent base two equipped with transparency conducting layer two, prepare on the transparency conducting layer one
Electrochromic layer prepares ion storage on the transparency conducting layer two, in the electrochromic layer and the ion storage
Electrolyte layer is prepared between layer.
8. the preparation method of the electrochromic device described in any one of claim 3-4, which is characterized in that specific steps are such as
Under：It takes solvent, electrochromic material, electrolyte hybrid package to form electrochromism system, will be connected with transparent base one
Transparency conducting layer one and the transparency conducting layer two that is connected with transparent base two be set to the both sides of electrochromism system.
9. a kind of electronic product, which is characterized in that wanted comprising claim 1-6 any one of them electrochromic device or right
Seek electrochromic device made from any one of 7-8.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN111610679A (en) * | 2020-04-30 | 2020-09-01 | 北京大学深圳研究生院 | One-way perspective glass with electrochromic switch and preparation method thereof |
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